LZO support (was: [Re: low power actions?])

Deepak Saxena dsaxena at laptop.org
Mon Jul 14 11:45:22 EDT 2008

On Jul 14 2008, at 12:07, Erik Garrison was caught saying:
> There is an existing ticket to address this issue
> (http://dev.laptop.org/ticket/2072).  This ticket suggests that we could
> add LZO support to OFW in order to implement LZO-compressed data nodes
> in the filesystem.
> In this scheme OFW would require LZO support to boot a kernel which
> resides on an LZO-compressed fs.  But an alternative is to implement a
> partitioning scheme in which user data resides on a LZO-compressed
> partition and the system data resides on a zlib-compressed partition.
> This would provide us with good compression for system components
> (saving space) but would also allow users to write data much more
> quickly.  That said, implementing LZO compression across the entire
> system might improve system responsiveness by a noticeable margin, so it
> might be worthwhile.  Testing is required.

Partitioning is already on our roadmap, so if we just put /boot and
other OFW needed data in a non-LZO partition, we can live w/o needing
to update OFW to handle LZO.


Deepak Saxena <dsaxena at laptop.org>

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